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CICS/TS Performance and Tuning (CAE)

Course:  CAE
Duration:  4 Days
Level:  II
Course Summary

This course covers the performance aspects of a CICS/ESA system and how to measure and tune the system to meet performance objectives. The course material is reinforced with classroom examples and review of students' systems. The course concentrates on CICS/ ESA V4.1 with its changes and considerations. The course is also appropriate for CICS/ESA V3.1, V3.2 and V3.3.

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Topics Covered In This Course

INTRODUCTION

  • Objectives and Agenda
  • Resource Management Choices
  • CICS/ESA Performance Benefits

STATISTICS

  • Statistics Collection, Processing, and Reporting
  • Unsolicited Statistics
  • DFHSTUP Control Statements
  • Statistics Tuning
  • The DFH0STAT Program
  • Monitoring

STORAGE MANAGEMENT

  • Major Changes in Storage Management
  • CICS/ESA Address Spaces
  • DSA and Subpool Management
  • Setting the DSA Sizes (DSALIM, EDSALIM)
  • Storage Cushions (only in V3)
  • Dynamic Storage Program Compression
  • Measuring, Monitoring, and Controlling Compression
  • MXT Controlled Storage
  • MVS Managed Storage
  • CMDPROT

STORAGE PROTECTION/TRANSACTION ISOLATION

  • Storage Protection Options
  • Subsystem Storage Protection Facility (SSP)
  • Transaction Isolation

TRANSACTION MANAGER AND DISPATCHER

  • Task Creation and Dispatching
  • MaXimum Tasks (MXT)
  • Active MaXimum Tasks (AMXT) - V.3.3 and earlier
  • TRANCLASS\Class MaXimum Tasks (CMXT)
  • PURGETHRESH\Class MaXimum Tasks LIMit (CMXTLIM)
  • Priority of Transactions
  • Priority Aging (PRTYAGE)
  • System Exit Time (ICV)
  • RUNAWAY\Runaway Task Time (ICVR)
  • Task Time Outs (RTIMOUT / DTIMOUT)
  • System Purgability (SPURGE)

VSAM

  • VSAM Shared Resources
  • Tuning NSR Buffers
  • Tuning LSR Buffers
  • Buffer Waits
  • Buffer Pools in HIPERSPACE
  • VSAM Strings
  • VSAM Subtasking
  • CICS Data Tables

TERMINAL CONTROL

  • VTAM High Performance Option
  • RAPOOL Tuning
  • RAMAX
  • IOAREALEN
  • PSDINT (Persistent Session Delay)
  • PVDELAY
  • TCSACTN/TCSWAIT
  • Inbound Message Chain Assembly
  • SENDSIZE / RECEIVESIZE
  • ICVTSD
  • Bracket Control
  • MSGINTEG / PROTECT options
  • OPNDLIM
  • Terminal AutoInstall
  • DFHNET
  • Terminal Data Compression
  • 3174 Local Format Storage

MRO/ISC

  • IOAREALEN
  • Cross Memory Services/XCF/MRO
  • Number of Sessions
  • Contention Winners / Losers
  • Controlling Cross-System Traffic
  • MAXSMIR (only in V3)
  • MROLRM
  • MROBTCH
  • USRDELAY/ISRDELAY (only in V3)
  • PVDELAY
  • QUEUELIMIT/MAXQTIME
  • SNSCOPE

OTHER TOPICS

  • Trace, Recovery and Restart
  • Program Management
  • Temporary Storage
  • Transient Data
  • CMDSEC (Command Security)
  • CONFDATA/CONFTXT

OPERATING SYSTEM CONSIDERATIONS

CICS-DL/I INTERFACE TUNING

CICS DB2 INTERFACE TUNING

What You Can Expect

After completion of this course, you should be able to:

  • Describe the elements of performance analysis and resource management
  • Understand methods used to measure and tune a CICS/ESA system
  • List resources used and managed by CICS/ESA and demonstrate methods used to minimize resource consumption
  • Obtain information about CICS/ESA resource utilization
  • Describe CICS/ESA V4.1 storage, task, file, and network management and how to monitor these functions
  • List performance considerations of the CICS DB2 and CICS DL/1 interfaces
  • Identify resource contention and proper use of tuning parameters to control contention
  • Understand performance considerations for interconnected CICS systems
Who Should Take This Course

This course is designed for system programmers/analysts responsible for installation, support, debugging, or performance of a CICS/ ESA system. Very experienced CICS application programmers wishing to gain knowledge on efficient use of CICS facilities will also benefit from this course.

Recommended Prerequisites

Before taking this course, you should have experience installing, tailoring, or maintaining a CICS/ESA (any release). If you are in the process of migrating to CICS/ESA, prior experience with CICS in an earlier version satisfies this prerequisite.

Training Style

Class consists of classroom lecture and lab sessions.

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Related Courses
Code Course Title Duration Level
CCWE
CICS Web Enablement (CCWE)
3 Days
I
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IC
CICS Fundamentals
3 Days
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CC1
CICS/TS Command Level (CC1)
4 Days
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CSA
CICS Systems Administration
5 Days
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CDE
CICS/TS Internal Structure & Debug Systems
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Every student attending a Verhoef Training class will receive a certificate good for $100 toward their next public class taken within a year.

You can also buy "Verhoef Vouchers" to get a discounted rate for a single student in any of our public or web-based classes. Contact your account manager or our sales office for details.

Schedule For This Course
2/27/2012
Augusta, ME
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